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  1. Kai Robinson

    MicroMac Power Workstation

    ...it's our raison d'etre, afterall :D
  2. Kai Robinson

    And the paperwork is done - I'm employed again! :D

    And the paperwork is done - I'm employed again! :D
  3. Kai Robinson

    If you want it and want to pay for the shipping...sure!

    If you want it and want to pay for the shipping...sure!
  4. Kai Robinson

    Fitting a Magneto Optical drive into a Power Macintosh G4

    Hosting the file linked to, as clicking the URL doesn't work.
  5. Kai Robinson

    Macintosh SE Sad Mac: Bad RAM chip identification possible?

    So, if you re-read what i was saying - the faulty one will be in SIMM SLOT 2. You could get a SIMCHECK unit, or something similar - however, the only way you can really test without one, is 'in-situ' using an oscilloscope. If you probe the data and address lines you should be able to see which...
  6. Kai Robinson

    Macintosh SE Sad Mac: Bad RAM chip identification possible?

    30-pin SIMM's are 8-bit wide, so, the problem is in one of the right most SIMMs on the board, not the leftmost. so - Slots 2 & 4. Left SIMM is D0 to D7, Right SIMM is D8 to D15. On the SE, there is only one bank, Bank A. Each SIMM uses 1-bit wide chips - from left to right, so in a single...
  7. Kai Robinson

    [Idea] Macintosh 68k Programming Study Group?

    Just an idea to throw into the mix - how about a community led initiative as a goal? Ie, people put ideas for a useful program they'd like, that doesn't exist, and everyone has their own go at the idea, posts them, and we pick a winner, and give some sort of accolade or potentially a prize?
  8. Kai Robinson

    Logic Board - Macintosh SE Reloaded

    OK again - to clarify - the ADB chips are pre-programmed PIC16CR54's. I made an adapter board to use the newer PLCC ADB in place of the DIP part (which is only used on the SE). @Branchus has used one of these adapters in an SE and it worked fine. The adapter PCB is open source, you just need a...
  9. Kai Robinson

    6100 won't chime with heatsink installed?

    One little trick is to get a 40mm fan - one with a passthrough molex connector on it for power and use the CD drive power cable. These fit perfectly inside the heatsink and do a nice job of keeping them cool.
  10. Kai Robinson

    6100 won't chime with heatsink installed?

    I'd leave it be - however, eventually it may be worth looking at all the legs under a scope and prodding them with a small plastic spudger tool to see if any move. I believe @Mac84 had to do this to make a daystar PPC card work.
  11. Kai Robinson

    TinkerDifferent - Gamer Tags & Usernames

    Anyone on here into No Man's Sky, at all? I just spooled up a Creative instance, for the first time since 2020, and i'm enjoying it so far, it's a definite time sink though.
  12. Kai Robinson

    6100 won't chime with heatsink installed?

    Question - if you rest the heatsink on top without putting the clip on, does it still chime? I have a theory that the CPU itself may have a weak leg somewhere, and the clamping force is making the CPU legs buckle/lose contact.
  13. Kai Robinson

    8500 issue

    Hmm, are you sure the PSU is good?
  14. Kai Robinson

    mac os 10.2 jaguar doesnt boot

    Hi! Can we get a little more detail on the machine? Would be useful to know what year/model it is - have any pics? :)
  15. Kai Robinson

    Bad ticker

    That's from Larry Pina's Dead Mac Scrolls
  16. Kai Robinson

    Found a Neat Mod From Back in The Day in My 128k

    If you want a modern replacement, @Stephen made this: https://github.com/Stephen-Arsenault/CloneyClip
  17. Kai Robinson

    Apple Cinema Display HD 23" (DVI) repair - voltage problem

    Aha! Time for this resource to come into use: https://tinkerdifferent.com/resources/the-smd-codebook.31/ So that's an H6 transistor, which equates to a BCW89R - these are NLA, but, doing some searching around and there's something that'll do the same job and even have a little better current...
  18. Kai Robinson

    Anyone want a Power Macintosh 6100/66 AV?

    Anyone want a Power Macintosh 6100/66 AV?
  19. Kai Robinson

    GCC Technologies FI/30 internal HD for Mac SE

    OK, so i've been to sleep, woken up and these are the Apple Checksum's for the ROM's: SE (800k): B2E362A8 SE (FDHD): B306E171 Wierdly, they share the same Major version, sub version and sub-release number - only the checksum differs. The Apple checksum is calculated by taking the low 32 bits...